How to generate DDL from IQ?

As we know -- we can use iqunload to generate the DDL for the IQ DB. But in IQ15 -- the iqunload tool is invalid. But currently -- we need to migrate an IQ15.2 DB from HPUX to AIX . Now without iqunload -- how can I get the DDL for this DB?

Yes iqunload will not work with IQ 15.2. You can either use Sybase Central and choose to generate ddl's for each object by right click and select Generate ddl option or you can generate complete database schema if you use Powerdesigner.